Subscription Research Databases - Available only
through Gananda Central Library
How
Things Work. [Online] Available
phys.virginia.edu/Education/Teaching/HowThingsWork/topics.html
A professor from the University of Virginia answers your questions regarding physics.
How Stuff Works
[Online] Available http://www.howstuffworks.com
A terrific site on how everyday items work.
Smithsonian: Inventors and
Innovation
[Online] Available http://www.si.edu/resource/faq/nmah/invent.htm
Selected links to sites hosted by Smithsonian Institution museums and organizations.
The Algorithmic Beauty of the Trebuchet (a type
of catapult)
[Online] Available http://members.home.net/dimona/
"On the physics and mechanics of a medieval trebuchet, a type of catapult, its
design, working and optimization through improved simulation and mathematical
analysis".
Catapult
[Online] Available
http://www.frenchviss.qld.edu.au/catapult.htm
A student designed catapult.
The Catapult Museum Online.
[Online] Available http://www.nzp.com/02contents.html
Roman, Medieval and modern catapults.
Catapult
Picture
[Online] Available http://gme.grolier.com/cgi-bin/gme_bp?artbaseid=0054730&assettype=p
From Grolier Multimedia Encyclopedia (Avialable only in the library)
Catapults
[Online] Available http://www.newton.mec.edu/Brown/Catapult_index.html
Watch animated catapults in action.
- DEATH BY MARSHMALLOW. The Catapult.
[Online] Available http://cou.scdsb.on.ca/scitech/in23.htm
A challenge to the serfs to design a catapult capable of hurling a marshmallow into
the King's mouth.
The Grey Company Trebuchet Page.
[Online] Available http://www.iinet.net.au/~rmine/gctrebs.html
Links to information & illustrations of Medieval and Renaissance trebuchets.
LEGO® TREBUCHETS!
[Online] Available http://www.weirdrichard.com/trebuchet.htm
Page devoted to LEGO® trebuchets. Pictures of student entries into a Lego® trebuchet
contest!
Maxwell Middle School - Catapult
Project
[Online] Available http://maxwellms.org/teachers/kaigler/kaigcata.htm
Inlcudes links to catapult pages on the web.
Medieval Siege
Machines
[Online] Available http://www.shef.ac.uk/misc/personal/cs1jwh/c1265/engines.html#info
Presents a description of how a trebuchet works, a selection of photographs, and a
list of technical details.
Middelaldercentret Centre for Historical
Technology, Denmark
[Online] Available http://www.iinet.net.au/~rmine/middel.html
More graphics of trebuchets from Medieval times.
Physics: Catapult Project -
Internet Links
[Online] Available http://199.179.41.2/library/sciphyca.html#links
Useful links to catapult information.
The Roman Catapult.
[Online] Available http://www.dl.ket.org/latin1/gallery/military/catapult.htm
A website that provides information about the catapults used in ancieint roman warfare.
Siege Engines
[Online] Available http://www.codesmiths.com/siege.htm
Graphics and information about the Ballista, Mangonel, Perrier, and Trébuchet catapults.
Smith College Museum
of Ancient Inventions: Stone-Hurling Catapult
[Online] Available http://www.smith.edu/hsc/museum/ancient_inventions/hsc11b.htm
A student project from Smith College Museum of Ancient Inventions.
The Tale of the Trebuchet
[Online] Available http://www.fyi.net/~kordite/trebstry.htm
Plans for making a catapult, including diagrams and a narrative.
Trebuchet.com: For People Who Like To HURL!
[Online] Available http://trebuchet.com/
Features a message board for catapult enthusiasts, and includes a selected
bibliography and a collection of articles and photos.
War Machines - Carcassone
Homepage
[Online] Available http://perso.wanadoo.fr/bbcp/english/engins/engins.html
Compares the mechanics of several types of medieval weaponry including the mangonel,
the trebuchet, and the crossbow.
Zoom: Cotton
Catapult
[Online] Available http://www.pbs.org/wgbh/zoom/sci/cottonballcatapult.html
This site give directions for making a catpult with common household items.
Library Resources 
Research
assignment
Recommended Search Tools:
Start your research with
these 2 subscription research databases (available only to Gananda students through the
Gananda Central Library)
- Britannica Internet Guide
[Online] Available http://www.britannica.com/adv_search.html
Use this site to search for quality research sites about your invention
Recommended Web Sites:
Black History Inventors
http://www.tdo.com/local/bhm/bhinvent/bhinvent.htm
Profiles of some famous African American inventors.
How Stuff Works
[Online] Available http://www.howstuffworks.com
A terrific site on how everyday items work.
Invention Dimension
http://web.mit.edu/invent/
Inventors and how inventions were created.http://web.mit.edu/invent/www/links.html
Inventors
http://inventors.about.com/library/blindex.htm?pid=2821&cob=home
Details about a variety of inventions, from air conditioning to zippers.
Inventure Place--National Inventor's
Hall of Fame
http://www.invent.org/book/index.html
Invention hall of fame and museum in Akron, Ohio. Includes brief informaiton of all
inducted members and their inventions.
Learn About What it takes to
be an Inventor
http://mustang.coled.umn.edu/inventing/inventing.html
Learn skills to become a successful inventor. Good place to research famous inventors and
their inventions.
Smithsonian: Inventors and
Innovation
[Online] Available http://www.si.edu/resource/faq/nmah/invent.htm
Selected links to sites hosted by Smithsonian Institution museums and organizations.
